Horizontal plane

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Related to Horizontal plane: median plane
(Descriptive Geometry) a plane parallel to the horizon, upon which it is assumed that objects are projected. See Projection. It is upon the horizontal plane that the ground plan of the buildings is supposed to be drawn.

See also: Horizontal

References in classic literature ?
One eye was fully twice the diameter of the other, and an inch above the horizontal plane of its tiny mate.
It took but an instant, however, for me to regain the levers, and with the roof barely fifty feet above I turned her nose once more into the horizontal plane and headed her again for the black mouth of the shaft.
He arranged the coils carefully in his left hand and the noose in his right, and then he took a position with each foot on one of two branches that lay in about the same horizontal plane and with his back pressed firmly against the stem of the tree.
On these occasions its head is invariably placed downwards; and its wings are expanded in a horizontal plane, instead of being folded vertically, as is commonly the case.
Two men with electric drills driven from the dynamos aboard the Toreador drilled two holes four feet apart in the face of the cliff and in the same horizontal planes.
A horizontal plane is a plane that is perpendicular to a vertical line or parallel with a level surface (see Figure 1-11).
To turn an aircraft requires a roll in the horizontal plane coupled with a pitch rotation to counter loss of lift in the vertical plane and an increase in thrust to balance the increase in drag.
His horizontal plane intersecting with Ahab's vertical line constitutes the Romantic architecture of Melville's 'wicked book', for all that, as Thomson himself acknowledges in reaching towards a conclusion, 'it is Moby Dick who subsumes the emotional space of the novel' (p.
5 m positional accuracy in the horizontal plane and 100 ns accuracy in the time domain.
Using conveyors instead of hanging panels vertically, Cefla's system moves panels in a through feed process on a horizontal plane.
The precisely constructed robust AG gearbox contains a number of balance weights that turn in a horizontal plane.
McConnel's parallel arm geometry, allows easy flailhead control in a horizontal plane.